asian exporters, china, japan and taiwan are major creditors so are brazil, russia and britain. oil exporters and caribbean bank also on a big part of the u.s. debt. but the major chunk is held right here at home, trillions of dollars of savings bonds and treasury bonds are in the hands of banks, insurance companies, mutual and pension funds as well this state treasuries. the country's no. 1 creditor is the federal reserve bank. it buys and sells treasury notes as a way of managing the economy. >> during his speech today president obama urged people to contact their senators, a place phone calls and even send out tweets. earlier today president obama tweeted this. >> at the tweets is just flooded twittered today, a check out some of the messages that were sent out today. in san this went to a congressman from pennsylvania who say that i hold jim will raised the debt limit to compromise and not fingerpointing we do not want to be fought. the next one that we have is a tweet sent to a senator. >> compromise and i kept on as a trendy topic, but it was mentioned more than 6500 times